Yes it's real! Yes, I course it can play 3DS games.
To answer the rest of your questions, though please message the user 'Valwin'. He has all the details you'll need to set up this hack...
No, it was a 5,000+ year old Mayan prediction based upon their calendar that the world will end on the Summer (Winter if you're in the Northern Hemisphere) Solstice this year.
It's still a pile of crap, though...
The 3DS is a fair bit more powerful than the PSP, so I'd hope it's possible - the Wii (from what I've read) is similar in power to the 3DS and can run an N64 emulator, so I'd hope it's possible...?
Off topic: GBAtemp really needs to add a sarcasm tag. Costello, take note. ;)
I personally handled a call from the second highest person at Raytheon. That call bothered me a lot... The guy was nice and smart what bothered me was the way management basically just blew him off instead of going the extra mile to help him.
In the end that call ended up costing Dell millions in lost contracts with Raytheon, and really the issue could have been solved for like 450 bucks lol
I always thought that capcom shuffled the games in these collection, but apparently they are all in chronological order, which makes legacy collection 2 worthless